long-term effort

noun
UK /ˌlɒŋ tɜːm ˈefət/
US /ˌlɔːŋ tɝːm ˈefɚt/

Working hard on something for a very long time.

Learning to play the piano well takes long-term effort.


OTHER MEANINGS

2. A planned attempt that continues over many months or years.

The city's long-term effort to plant more trees finally paid off.

3. Steady work toward a big goal that is not finished quickly.

Saving money for a house is a long-term effort.

4. The hard work a group does together over a long period.

Cleaning up the river was a long-term effort by the whole town.